Why does a star produce its own light and heat?
- Nuclear fission
- Nuclear fusion
- Chemical reaction
- None
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Stars are huge celestial bodies made mostly of hydrogen and helium. Heat and light energy produced by the stars are due to the fusion reaction of hydrogen atoms.
Constitution day of India is celebrated on
- 26th November 1949
- 26th November 1948
- 26th January 1950
- 26th November 1946
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The Constitution of India was adopted by the Constituent Assembly on 26th November 1949 and came into force on 26th January, 1950.
When was Jana Gana Mana adopted as our national anthem?
- 25 January 1950
- 24 January 1950
- 26 January 1950
- 26 November 1949
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On 24 January 1950, ‘Jana Gana Mana’ was adopted as the national anthem.
In which of these constellations does the current Pole Star, Polaris, lie?
- Ursa Minor
- Orion
- Ursa Major
- Corona Borealis
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Ursa Minor, or the 'Little Bear', is a relatively conspicuous constellation, visible from the latitudes 90 degrees North to 10 degrees South. It is 'circum-polar', i.e. always visible in the sky, above 20 degrees North latitude.
Who is known as the ‘Architecture of Indian Constitution’?
- Dr. B R Ambedkar
- Jawaharlal Nehru
- Sardar Vallabhbhai Patel
- Dr. Rajendra Prasad
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Because of his role in drafting the Constitution of India, Dr. Bhimrao Ambedkar is well known throughout India as the chief architect of the Indian Constitution.